Container closure



FIG. 1 is a front perspective view of the container closure of my new design;

FIG. 2 is a top plan view of the container closure of my new design;

FIG. 3 is a front view of the container closure of my new design, the rear view being identical thereto; and,

FIG. 4 is a left side view of the container closure of my new design, the right side view being identical thereto.

The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a container closure, as shown and described. 